!" !" #$%&''&'%% () *+ $*,)-. / 0123432 !"#$"%&%' ()*#"+ ,-").*/"+ )0"+ 5 !"# $%&$$'(") 6 7 *+$'*,$$- 5 8= ! " # $ 5 % 5 & '(') * 5 +! , - . / 0 15 − = − − % 02 . 35 = 4 . 2 .5 − = // / 15 = . . 5 !"# $%&$$'(") 6 7 *+$'*,$# 5 8= . 5 ! " # $ 5 % 5 & '(') ! 5 5 +! , - 2/ / 05 = % / 0 0 .5 − = − 02 / /5 = − − 02 . 35 = / / 5 !"# $%&$$'(" ) ( ( 6 7 ( 6 7 / 5 ! " # $ & ( +! , - 0 / 3 1 ( − % . 1 . 6 ( 1 . 70 4 ( − / 0 . 8 (− − 0 0 5 1 $&(") 2 2 ( 8 2$#$3$45*6 2 8 ≠ 0 5 & ( +! , - . 2 2 1 ( % 70 2 2 8 ( − 2 3 7. 2 ( 2 . 2 0 ( − 7 5 & 9 '(9': ; <= + (= !$> " : + : +! , - ( )73/2 0(9 :∆ = % ( )0/ 3(9 :∆ = ( )7. 70 .(9 :∆ = ( )0 7/ 3(9 :∆ = 7 7 5 !"# $%&$$'(" ) 9 99 6 7 *+$'8'$9 : 5 +! , - ? & / 09 '($>$ .; = %? & . 0 − '( +':@ ;+(= $ 31 ? & . 0( '( +': ;+(= $ 82 ; 5 +! , - ? & 1 69 − − '($>$ 0; = − %? & / . − '( +':@ ;+(= $ 82 ? & / 0( − − '( +': ;+(= $ .2 1 2 34< www.MATHVN.com - Toán Học Việt Nam www.DeThiThuDaiHoc.com ww w. M AT HV N. co m !" !" #$%&''&'%% () *+ $*,)-. / 01234<2 : : 5 !"# $%&$$'(") 9 6 7 *+11*6 - 26 (7 ∆ + + = = *#3>$= 08 >?@AB 0 C 0@DE @F>* 0* 0>G @AB 0 C 0 =AG!@AB 0 = 08H = 0 0! H I@E =I 0 " 0!8 = 0H 8H !H !H J K !H > 0!L < 5 & 9 '(++': ∆ +! , A5- 0 . - 3 /2 / 29 6 7∆ − + = % / 4 - 0 29 7− − ∆ − = / . 1 . - . 1 6 9 7 = − − − ∆ ∈ = − + 00 1 0 - / 0 76 9 −+∆ = ⋅ − ? & 9 '(# B ; +=C+%D +': ; <== !' EA +! , - ( )3/2 9 − % ( )0/ 9 ( ). 0 9 − − ( )0 / 9 − @ ! ! ( % D &! ( ( FGF, F(!& 9 H <= < A (∆ +! , - ( ) ( ) ( )// 14 / 3 9 − % ( ) ( ) ( )0/ 1 . . 3 9 − ( ). /0 / / 0 0 0 9 − − − ( ). 4 0 . / 3 0 0 9 : : 5 !"# $%&$$'(") 9 6 7 *+*A'$*6 - 26 (7 ∆ + + = = *#3>$= 08 >?@AB 0 C 0@DE @F>> 00M>G @AB 0 C 0 =AG!@AB 0!@AB 0 = 0 =N = 0 0! H =N "! H "8 ;O @AB 0 =P 0+ QR 0! HH QSE @F) @AB 0! H@F@6T 0S@F D@AB 0!>Q RAU 0 =H @AB 0 C 0@6T 0>G@AB 0 C 0DE @AB 0 C 0 =AG! 8 = 0H !H J K !H > 0!H 0> 0!L 5 & 9 '(' E$': ∆ + ! , A5- 3 / - . 1 02/1 29 6 7− ∆ − + = % 0 . - . 4 29 6 7− ∆ + − = .0 3 8 - . /2 76 9 −+ − ∆ = ⋅ − 0 / 2 - / 3 6 9 7 = ∆ ∈ = − . !+ (( ′ ′ ′ '( <= I A + (∆ H A J+ (∆ +! , A5- - 0 . / 2 - . 4 2 - 1 0 / 2( 6 7 ( 6 7 6 7− − = + + = − + = % - 0 0 2 - 3 1 6 2 - 3 6 2( 6 7 ( 6 7 6 7+ + = + − = − − = ( ) ( ) ( )7. 71 3 78 . / ( ( ) ( ) ( )/ 0 1 0 / 7. ( / H K& 9 FB 5 '(& 9′ LM': 9 5 +! , A5- ( )0/ - 0 . 29 5 6 7+ − = % ( ). / - 0 1 .2 29 5 6 7− + − = ( )3/ - 0 3 29 5 6 7− + = ( )1/. - 0 . . 29 5 6 7− − − = 0 NO 5′ LM': 5 ∆ + ! , A5- - 0 / 2 - . 3 0 25 6 7 6 7− + = ∆ − + = % - 0 3 2 - 0 0 25 6 7 6 7− + = ∆ + − = - / 2 - . . 25 6 7 6 7+ − = ∆ − + = - 0 . / 2 - 0 . / 25 6 7 6 7− + = ∆ − − = www.MATHVN.com - Toán Học Việt Nam www.DeThiThuDaiHoc.com ww w. M A HV N. co m !" !" #$%&''&'%% () *+ $*,)-. / 01234V2 !"56"789".'":)!$"+)+;()*#"+ ,-").*/"+()<"+ 7 KP5 "Q+R! S& 9 ∆ +! , - 3 1 - . 3 6 29 6 7− ∆ − + = % . 1 - / 29 6 7∆ + + = 0 3 1 - 0 . 6 9 7 = − ∆ ∈ = + /0 . 1 - 0 . 76 9 +−∆ = ⋅ : T+ (∆ P5 "> " ! ( +! , - 7/ 7/ 0 73 3 . ( % 70/3 3 70 1 73 ( ; 5 & '(! ( = Q+R%D + : +! , - 7/ 0 . 1 . ( = % 7/ . 3 0 1 ( = 1 / 0 7 . 1 ( = . 2 2 3 3 ( = < 5 ++'(! ∆= Q+R +! , A5- - 0 . 2 16 7 ∆ − + = = % - . 2 17 ∆ − = = - 0 2 36 ∆ − = = . - . 0 3 6 7 = ∆ ∈ = = + ? 5 ++': ∆ '(! = Q+R +! , A5- - . 3 /0 2 0 . 06 7 ∆ − + = = % - 3 0 2 0 . .6 7 ∆ + − = − = - . 2 . 1 17 ∆ − = − = - 0 2 ./ 36 ∆ − = = .@ 5 !@ & ( +! , A5- 0 1 7/ 0 1 39 ( % / 0 0 . 3 719 ( /2 0 . 2 71 39 ( 0 . . 7/ . 19 ( . 5 & 9 '( ! @ & ( + ! , A5- ( ) ( ) ( )0 1 7/ 0 1 3 9 ( % ( ) ( ) ( )/ 0 0 . 3 71 9 ( ( ) ( ) ( )/2 0 . 2 71 3 9 ( ( ) ( ) ( )0 . . 7/ . 1 9 ( .. 5 % D 5 !& = Q+R%D ! ( = Q+R%D ; +! , - ( ) ( )/ / 0 . 0 3 ( ;= = % ( ) ( )0 1 7/ 0 / . ( ;= = ./ H"$C! - / 0- 0 / 2 - . // 25 6 7 5 6 7− − = + − = % / 0- 0 1 2 - . 8 25 6 7 5 6 7− + = + − = / 0- . 4 08 2 - 0 1 /. 25 6 7 5 6 7− + = + − = / 0- . 3 1 2 - 3 . // 25 6 7 5 6 7+ − = − + = .0 H"+!$ + ! ( +! , - - 0 . 0/ 2 - 0 . U 2 - . 0 8 2( 6 7 ( 6 7 6 7− + = + + = − − = % - 3 . /0 2 - . 3 03 2 - . 3 8 2( 6 7 ( 6 7 6 7+ + = − − = + − = ( ) ( ) ( )7. 71 3 78 . / ( ( ) ( ) ( )/ 0 1 0 / 7. ( .7 T+ 5 '( ∆ H & $ C $ %D α + ! , A5- ( ) ( ) ( ) 2- 0 . 3 / 2 - / 0 0 2 31 5 6 7 6 7 + − + − = ∆ − + + + − = α = % ( ) ( ) ( ) ( ) 2- . / . 2 - 0 / / 2 U2 5 6 7 6 7 + − − + − = ∆ − + + − − = α = .: 5 & '( +': ∆ = $ α ':- www.MATHVN.com - Toán Học Việt Nam www.DeThiThuDaiHoc.com ww w. M AT HV N. co m !" !" #$%&''&'%% () *+ $*,)-. / 0123442 ( ) 28 0 - . 0 8 2 31 6 7∆ + − = α = % ( ) 202 - . . 2 31 6 7− ∆ + − = α = ( ) 20 1 - . 8 2 82 6 7∆ + + = α = ( ) 2/ . - 2 .2 6 7∆ − = α = .; ! A!!$ +%V / 0 5 5 + : +! , A5- / 0- . 3 /0 2 - /0 1 02 25 6 7 5 6 7− + = + − = % / 0- . 3 U 2 - 6 8 / 25 6 7 5 6 7− − = − + = / 0- . 8 2 - . 0 25 6 7 5 6 7+ − = + + = / 0- 0 // 2 - . 8 1 25 6 7 5 6 7+ − = − − = .< T+ (∆ P5 A'(%!Q" J= (∆ +! , - - 0 . 0/ 2 - 0 . U 2 - . 0 8 2( 6 7 ( 6 7 6 7− + = + + = − − = % - 3 . /0 2 - . 3 03 2 - . 3 8 2( 6 7 ( 6 7 6 7+ + = − − = + − = ( ) ( ) ( )7. 71 3 78 . / ( ( ) ( ) ( )/ 0 1 0 / 7. ( !"%&%' ()*#"+ ,-").*/"+ ,="#$" .? J $ A '( & +! , - ( ) ( )0 3 7/ . % ( ) ( )7. 0 / 7/ ( ) ( ). 1 4 0 ( ) ( )22 3 3 W ( ) ( )7/ 2 . 7// X ( ) ( )/ 0 1 0 /@ J $ A '( LY': ∆ + : + ! , A5- ( ). 3 - 3 . /1 2 6 7∆ − + = % ( )0 . - 1 /0 4 2 6 7∆ − − = ( ). 0 6− ∆ ≡ ( ). 1 7− − ∆ ≡ W ( )/ 0 - 0 4 2 6 7− ∆ − + = X ( )22 - 0 2 7 6∆ − = / J $Q" ( +! , A5- ( ) ( )70 . 8 1 ( % ( ) ( )2 / 1 / ( ) ( )7. 3 4 0 ( ( ) ( )1 0 . 8 ( W ( ) ( )/ / 4 1 ( X ( ) ( )/ 1 / / ( − /. J & ( '($ A D B ∆ +! , A5- ( ) ( )0 . // - . // 2 ( 6 7− ∆ − − = % ( ) ( )2 3 0 8 - 0 1 2 ( 6 7∆ − + = ( ) ( )0 0 68 - 1 . 8 2 ( 6 7∆ − + = ( ) ( )/2 / 0 - / 2 ( 6 7− ∆ − − = W ( ) ( )/ 0 .2 - 4 8 2 ( 6 7− ∆ + − = X ( ) ( )22 / 0 - 2 ( 6 7∆ − = // J & ( '( LY ': ∆ +! , A5- ( ) ( )/ 0 . 3 - . . 2 ( 6 7∆ + − = % ( ) ( )8 . . 0 - 0 0 2 ( 6 7∆ + − = ( ) ( )/ 0 0/ - 0 0 2 ( 6 7− − ∆ − + = ( ) ( )02 3 0 ( 7∆ ≡ /0 J & LY': ∆ ( + ! , A5- ( ) ( )08 - . 3 /1 / . 6 7 (− ∆ − = − % ( ) ( )0/ - . 0 8 3 . 6 7 (− ∆ − = ( ) ( )8 0 82 6 (− ∆ ≡ ( ) ( )3 . - 0 . 2 .2 6 7 (− ∆ + − = /7 J &Z'( LY': ∆/'(∆0': ( )0 . / - . 3 / 26 7∆ − + = 0 - 3 . 4 26 7∆ + − = www.MATHVN.com - Toán Học Việt Nam www.DeThiThuDaiHoc.com ww w. M AT HV N. co m !" !" #$%&''&'%% () *+ $*,)-. / 012342 % ( )/ . / - 0 0 26 7∆ + + = 0 - 0 U 26 7∆ − + = ( )22 ≡ / - 3 26 7∆ + − = 0 - 3 26 7∆ + + = ( ). 8 − / 6∆ ≡ 0 7∆ ≡ /: J LY': ∆/∆0'($ AD B ': / - . 0 . 26 7∆ + + = 0 - 0 . /1 26 7∆ − + = - 25 6 7− = % / - 3 26 7∆ + + = 0 - 4 3 26 7∆ − + = - 3 . 0 25 6 7+ − = / - 3 . /8 26 7∆ − − = 0 - . 3 . 26 7∆ + + = - 0 . 25 6 7− + = / - 3 0 26 7∆ + − = 0 - 3 /4 26 7∆ + + = - 1 25 6 7− + = /; J+ !Z[T': ( ) ( ) ( )0 2 2 7. 1 7. ( % ( ) ( ) ( )1 . 8 0 . 7/ ( ( ) ( ) ( )/ 0 . / 7. 7/ ( ( ) ( ) ( )7/ 74 73 7. 2 2 ( ≡ /< J= !Z[T': ( ) ( ) ( )0 8 7. 73 1 2 ( % ( ) ( ) ( )0 2 2 7. 1 7. ( /? NO J ( ) LM': ′ -5 ( ) ( ) ( )0 0\ - / 0 3 6 7− + − = - / 25 6 7− − = % ( ) ( ) ( )0 0\ - 0 . . 6 7− + − = - / 25 6 7+ − = ( ) 0 0\ - 0 3 . 2 6 7 6 7+ − − + = - 0 25 6 − = !"56"789".'">5(#$" 0@ T+WF W ]!^=(! ; B I +=! B & +=!* A ! _ W ': W $ - ( ) 00- / U 3 76 W + = % ( ) 00- / 3 / 76 W + = ( ) 0 0- /8 01 322W 6 7+ = ( ) 0 0- 3 /W 6 7+ = W ( ) 0 0- U /8 /33W 6 7+ = X ( ) 0 0- 8 U 13W 6 6+ = 0 NO " #WF +! , A5- ?=( ;F:%D8 ;`%D3 %?=( ;F:%D/2 B I%D8 a= B & //2X '(=( ;F: 0= HB & / .2X − '( . / 0 9 ⋅ Wb &- ( ) ./ 2 / 0 9 ⋅ X ( ) ( )3 . 0 0 . 9 − HB & ( )/ 62X − '( A%D 31 ⋅ H;` 8= _ 4 /86 = ± ? & 6/09 '($%!Q" B &%B !a%D02 c? & . 0 .9 '($%!Q" B &%B !a%D 3 . QT$ !CO VF( U .6 7= ± = ± F? & . 3 1 1 9 '( / 09X X∆ ' E a KCO V W $= D B - 0 25 6 − = '($=( )+%D8 www.MATHVN.com - Toán Học Việt Nam www.DeThiThuDaiHoc.com ww w. M AT HV N. co m !" !" #$%&''&'%% () *+ $*,)-. / 012342 T$*F( / 12 − '( J+ CO V$F( 0 0 - .3 6 7+ = +T$*F( /28( '( J+ CO V$F( 0 0 - 8/ 6 7+ = T$=( ;F:%D 3 0 !* B ;`'(! B & W 9D B= J 0. HC& BWF ( ) 00- / /8 4 76 W + = $%!Q" B &%D 1 0 ⋅ 0/ HC&a BWF ( ) 00- / 01 U 76 W + = ++> 0%!Q" B & .0 1 = ⋅ 00 T+WF" ( ) 00- / 01 3 76 W + = HC&aD B W +++/ 0X 9X F( U2 % /02 .2 07 HC& 9 W∈ B &:/$ 2 2 2 2.2 31 82 /02 0 0 - U 01 001W 6 7+ = % 0 0 - U /8 /33W 6 7+ = 0 0 - 4 /8 //0W 6 7+ = 0: T+WF 0 0 - U UW 6 7+ = H 9 W∈ ++- / 00 9X 9X= % / 0. 9X 9X= / 0 / 0 / / 8 9X 9X X X + = ⋅ !" -?.@?% !"A ,B#$" ,!"+)-"))C()0"+DE 0; H+d ':> ; <= 67 +%&- ( ) ( ) ( )/2 . 1 2 . ( − − TM ( F(%*= !'( " + ( %H <& 9 ++- 0 . 29 9( 9+ − = H <=& X ++ 1X X= = H <=& ++ ( F(%( WH O , && ++- ( )0 . ( ( + − = − 0< H+d 67 +& . 0 // (− H& 9 B ; ++- e> " 9(∆ %D. % 0 0 9 9(= + ! ^`f ?! - / 2 3 9 − +d // 2 . 9 ⋅ . 2 0 8 9 ⋅ 0? H+d 67 +& / / . 0 (− H& 9 B ; ++- g$ 31 9( = % 4 09( : @>5 ∆ = ?! - ( ) 2 3 9 − +d ( )28 9 ( ) 2/8 9 +d ( )2 8 9 − 7@ H+ d 67 + & ( )0/ KP5 & ( 6 7∈ ∈ + + (∆ ' E '($> "`f h ?! - ( ) ( )02 2/ ( 7 H+d 67 + (∆ $ < A ( ) ( )2 3 0 3 − − [ & 9 ( D B - 0 26 7∆ + − = H& 9 &=(+ ( #f h ?! - /. 0/ 3 3 9 − ⋅ www.MATHVN.com - Toán Học Việt Nam www.DeThiThuDaiHoc.com ww w. M AT
Tài liệu đính kèm: